CN115566847B - Wiring structure of motor - Google Patents

Wiring structure of motor Download PDF

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Publication number
CN115566847B
CN115566847B CN202211219193.0A CN202211219193A CN115566847B CN 115566847 B CN115566847 B CN 115566847B CN 202211219193 A CN202211219193 A CN 202211219193A CN 115566847 B CN115566847 B CN 115566847B
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China
Prior art keywords
terminal
box body
positioning
wiring
circuit board
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CN202211219193.0A
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CN115566847A (en
Inventor
陈斌
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Zhejiang Weige Intelligent Pump Industry Co ltd
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Zhejiang Weige Intelligent Pump Industry Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225Terminal boxes or connection arrangements

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention provides a wiring structure of a motor, and belongs to the technical field of motors. The problem of how to guarantee the stability of a grounding terminal when improving the connection firmness of a wiring structure in the existing motor is solved. This wiring structure realizes the ground connection in the time of two structures of terminal and circuit board through a ground terminal, omits current fastener structure, can keep the stable connection of ground terminal and circuit board, terminal when motor vibration, arranges terminal and circuit board respectively in the bottom and the top of terminal box body simultaneously, pulls open the distance between the two, forms the triangle arrangement between two junction point positions and the body, guarantees ground terminal's stability.

Description

Wiring structure of motor
Technical Field
The invention belongs to the technical field of motors, and relates to a wiring structure of a motor.
Background
The motor is equipment for converting electromechanical energy by utilizing an electromagnetic induction principle, and comprises a motor shell, a circuit board, a stator assembly and a rotor assembly, wherein the stator assembly and the rotor assembly are all arranged in the motor shell, the circuit board is an electric connection provider of electronic components and is an important part for controlling the motor to work, the stator assembly on the motor is connected with the circuit board, the circuit board is communicated with a power supply to form a circuit, the circuit board is usually arranged in a junction box, the junction box is arranged on the motor shell, and a wiring terminal is arranged on the junction box and can be inserted into a socket to form electric connection to realize the conduction of the circuit. The stator assembly and the circuit board in the motor are reduced in insulation performance after long-time use, electric leakage is caused, current leaked from the stator assembly is conducted to the motor shell, electric shock is caused after human body contact, and the circuit board is possibly burnt out of the board body due to electric leakage, so that use is affected.
To above-mentioned motor housing and the problem of circuit board electric leakage, the skilled artisan is through setting up the terminal of making by conductive material at motor housing, connect the wire respectively on terminal and circuit board, all be connected to the ground terminal of terminal box with the other end of wire, current on messenger's motor housing and the current on the circuit board are led to on the ground terminal through the wire, and rethread ground terminal leads to the earth connection to spill the electric current discharge on circuit board and the motor housing.
The current wire and the grounding terminal, the wire and the binding post and the wire and the circuit board are connected by a wire clamp, but the motor vibrates in operation, the wire clamp is loose or even separated under long-time vibration, the grounding effect is affected due to poor firmness of the wire clamp, and the safety performance of the whole motor is not guaranteed; and one end of the grounding terminal is inserted into the grounding hole of the socket, and the motor drives the grounding terminal to vibrate, so that one end of the grounding terminal vibrates, one end of the grounding terminal is fixed, bending deformation of the grounding terminal can occur when the grounding terminal is in the condition for a long time, the impedance of the bending position is increased, short circuit is seriously caused, and the grounding effect is influenced.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides a wiring structure of a motor, which aims at solving the technical problems that: how to guarantee the stability of the grounding terminal when improving the connection firmness of the wiring structure in the existing motor.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a wiring structure of motor, wiring structure includes the terminal box body of making by insulating material, sets up the circuit board in the terminal box body and the earthing terminal of making by conductive material, its characterized in that, it is equipped with the terminal to insert on the bottom of terminal box body, the circuit board is located the top of terminal box body, earthing terminal is including being rectangular shape and one end and running through the terminal box body lateral wall and stretching out the terminal box body, upwards buckling's link and protruding and downwards buckling's pin portion from the body side from the body other end, the link inserts the circuit board and with circuit board electric connection, terminal and pin portion electric connection are provided with the location portion that can fix a position the pin portion on the terminal box body.
The grounding terminal is located the external power supply plug's of terminal box body's one end earth connection, the bottom of terminal box body is fixed on motor housing, terminal and motor housing electric connection, make electric connection between terminal and the motor housing, the normal condition ground terminal is not electrified, when electric leakage condition appears in motor or circuit board, electric current on the motor metal casing or the electric current on the circuit board all can lead external earth connection through this a part of ground terminal, the earth connection can be with electric current conduction to the underground, avoid electrical equipment to be damaged by strong electric charge, ensure equipment's normal work, avoid taking place personnel's electric shock accident, realize the ground connection of circuit board and motor casing two parts through this a part of ground terminal, the link is pegged graft on the circuit board, abandon current wire connection's mode, because the position of ground terminal can not change because motor vibration, between circuit board and the link, can not appear the separation because of the vibration of the motor, improve the firm degree of circuit board and link connection, make the circuit board can be through the drain current of terminal under the motor vibration condition, the lead terminal box is even broken, the position of the terminal box is even reached, the position of the terminal box is guaranteed, the position of the terminal box is even can be changed in the position of the terminal box, the position of the terminal box is guaranteed, the position of the terminal box is even has the position of the terminal box is higher than the position of the terminal box, and the position of the terminal box is guaranteed, the position of the terminal is guaranteed, and the position of the terminal box is easy to be connected. Meanwhile, the circuit board is arranged at the top of the junction box body, the binding posts are arranged at the bottom of the junction box body, so that the pin part and the connecting end on the grounding terminal are respectively bent towards two opposite directions, the mutual crosstalk is reduced when the distance is pulled away, the three fixing points are correspondingly arranged on the grounding terminal after the pin part and the connecting end are positioned at the upper side and the lower side, the three fixing points are distributed in a triangular mode, the vibration amplitude of the grounding terminal is limited, the grounding terminal can maintain stability to a certain extent when the motor vibrates, deformation is avoided, and the wiring effect of the grounding terminal is further ensured.
In the wiring structure of the motor, the positioning part protrudes from the inner bottom surface of the junction box body and is cylindrical, the positioning part is provided with the slot penetrating through the inner side wall and the outer side wall of the positioning part, one end of the slot penetrates through the protruding end face of the positioning part along the axial direction of the positioning part, the lead part is provided with the protruding connecting part, one end of the connecting part penetrates through the slot and is inserted into the positioning part, the connecting part can axially slide along the positioning part, the connecting part can slide to enable the connecting part and the positioning part to abut against and be positioned, and one end of the wiring terminal extends into the positioning part and is spliced with the connecting part. The one end of connecting portion inserts the installation that can follow locating part axial sliding realization connecting portion and locating part behind the locating part, connecting portion and locating part support tightly in order to realize the location of pin portion, adopt the mode of slide positioning, when the installation, the locating part has the guide effect, the installation of being more convenient for, the locating part forms the location through supporting tightly to the connecting portion, the one end and the connecting portion grafting of terminal simultaneously, the locating part is fixed a position the connecting portion outside the terminal, can restrict the movement of connecting portion, the terminal inserts the connecting portion simultaneously, the terminal is fixed a position the connecting portion in the connecting portion, the connecting portion receives the location of two positions, guarantee the stability of connecting portion, guarantee the fastness of connection between terminal and the earthing terminal.
In the wiring structure of the motor, the connecting portion comprises a ring-shaped conductive portion, the inner diameter of the positioning portion is gradually reduced from the protruding end of the positioning portion to the bottom surface in the junction box body along the axial direction of the positioning portion, and the minimum inner diameter of the positioning portion is smaller than the outer diameter of the conductive portion. The terminal is inserted in annular conductive part, because the internal diameter of location portion reduces gradually, consequently in the slip in-process, the medial surface of location portion can support tightly with the outer wall of conductive part gradually to location portion carries out the chucking with conductive part, has realized the location of conductive part, and this kind of assembly mode simple structure just is convenient for assemble.
In the wiring structure of the motor, the connecting portion further comprises a rod-shaped middle portion, the middle portion is arranged in the slot in a penetrating mode and can axially slide along the positioning portion in the slot, the notch of the slot is gradually reduced towards the bottom face in the junction box body along the protruding end of the axial self-positioning portion, and the maximum width of the middle portion is smaller than the minimum groove width of the slot. When the socket penetrates through the protruding end face of the positioning part during installation, the middle part is inserted into the positioning part from one end of the protruding end face of the socket penetrating through the positioning part, sliding of the connecting part is achieved in the mode of the socket, the contact area of the conducting part and the inner wall of the positioning part cannot be reduced in a large range due to the fact that the socket is arranged, and the positioning effect of the positioning part on the conducting part is guaranteed.
In the wiring structure of the motor, the inner side surface of the positioning part is provided with a convex annular abutting surface, and the conductive part is positioned on one side of the abutting surface and abuts against the abutting surface. The contact of the abutting surface in the positioning part and the conductive part not only increases the contact area of the positioning part and the conductive part and maintains the stability of the conductive part, but also has a limiting effect on the conductive part when the conductive part is installed, prompts installation personnel to install in place, is convenient to install and improves the assembly efficiency.
In the wiring structure of the motor, the positioning part is positioned below the circuit board and is abutted against the circuit board. The circuit board is arranged at the opening of the junction box body, so that the circuit board is far away from the bottom wall of the junction box body, the circuit board can be far away from the vibration source of the motor, the circuit board is protected, a space for heat dissipation of the circuit board can be formed between the circuit board and the bottom wall of the junction box body, the circuit board is supported by the positioning part, the vibration amplitude of the circuit board under the drive of the motor can be limited, the grounding terminal and the circuit board can be stably connected, the grounding effect is ensured, and the safety is ensured.
In the wiring structure of the motor, the pin part is abutted against the inner side surface of the junction box body. The pin part is contacted with the junction box body in a contact manner so as to avoid the suspension of the pin part with longer length, and the defect that the connection part of the grounding terminal and the junction box body is loose and the contact between the pin part and the binding post is poor due to the fact that the vibration amplitude of the two ends of the pin part and the middle part of the pin part is asynchronous due to the suspension of the pin part with longer length is overcome, so that the grounding effect of the junction structure is ensured, and the safety is ensured.
In the wiring structure of the motor, the connecting end is in a straight strip shape, the body penetrates through the middle of the side wall of the junction box body, and the positioning part is arranged on one side of the body along the direction of the inner wall of one side of the junction box body, which is provided with the body. . The connecting end is directly inserted into the circuit board, the positioning part is arranged on one side of the body, so that the bent pin part is inevitably larger than the connecting end in length in order to realize connection, the resistance of the pin part is increased by increasing the length of the pin part, the current is reduced, the magnetic field intensity of the pin part is weakened, the magnetic flux is weakened, and the safety is ensured.
In the wiring structure of the motor, the body is arranged in the middle of the side wall of the junction box body in a penetrating mode, the positioning portion is located on one side of the body, the pin portion comprises a first pin portion, a second pin portion and a third pin portion which are all in long strips, the side edge of the body protrudes to form the third pin portion, the protruding end of the third pin portion is bent downwards to form the first pin portion, and the lower end of the first pin portion is bent towards one side where the positioning portion is located to form the second pin portion. Through setting up mutually perpendicular's first lead portion and second lead portion and third lead portion, the circuit board is kept away from to the one end of being connected with the second lead portion on the first lead portion so that electrically conductive portion and terminal connection, because the one end of ground terminal is buckled the back and is connected with the circuit board electricity, if the first lead portion also directly buckles on the ground terminal, this end of ground terminal must have great internal stress, structural strength is relatively poor, consequently, through introducing the third lead portion, the third lead portion will first lead portion with the position of buckling draw forth the third lead portion from the ground terminal, avoid ground terminal to be located the one end fracture of terminal box body, guarantee its structural strength, and the contact of three lead portion and terminal box body's medial surface all, compared with the lead portion that adopts a rectangular form of buckling, this structure has prolonged the contact area of lead portion and terminal box body to a certain extent through the form of buckling, in order to reduce the difference of the terminal vibration range in pin portion both ends and lead portion, maintain ground terminal and terminal box body junction and lead portion and terminal box body junction and terminal connection stability, guarantee the ground terminal effect, safety is guaranteed.
In the above-mentioned wiring structure of the motor, the first pin portion is perpendicular to the second pin portion, and the first pin portion is perpendicular to the third pin portion. The three pin parts are perpendicular to each other, and the impedance between two adjacent pin parts is increased.
Compared with the prior art, the wiring structure of the motor has the following advantages:
1. The structure of the wiring terminal and the circuit board is simultaneously grounded through one grounding terminal, so that the existing wire clamp structure is omitted, and the grounding terminal, the circuit board and the wiring terminal can be stably connected when the motor vibrates;
2. The wiring terminal and the circuit board are respectively positioned at the bottom and the top of the junction box body, and the distance between the wiring terminal and the circuit board is pulled open, so that triangular arrangement is formed between two connection points and the body, and the stability of the grounding terminal is ensured.
Drawings
Fig. 1 is a schematic perspective view of the first embodiment.
Fig. 2 is a top view of the first embodiment.
Fig. 3 is a cross-sectional view A-A in fig. 2.
Fig. 4 is a schematic view of the section view of fig. 3 with the post hidden.
Fig. 5 is a B-B cross-sectional view in fig. 2.
Fig. 6 is a schematic structural view of a connection terminal in the first embodiment.
Fig. 7 is another perspective cross-sectional view of the first embodiment.
Fig. 8 is a cross-sectional view of the second embodiment.
In the figure, 1, a junction box body; 2. a circuit board; 3. a ground terminal; 3a, a connecting end; 3b, a body; 3c, a pin part; 3c1, a first lead part; 3c2, a second lead part; 3c3, a third pin part; 3d, a connecting part; 3d1, a conductive part; 3d2, middle part; 4. binding posts; 5. a convex column; 6. a positioning part; 6a, a slot; 6b, an abutting surface; 7. a live wire terminal; 8. a zero line terminal; 9. and a box cover.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Embodiment one:
The motor comprises a motor shell made of conductive materials, as shown in figure 1, a wiring structure comprises a junction box body 1 made of insulating materials and with one side open, a circuit board 2 arranged in the junction box body 1, and a grounding terminal 3, a zero line terminal 8 and a fire wire terminal 7 which are all made of conductive materials, wherein the junction box body 1 is a cuboid, the open side of the junction box body 1 is an upper side, the opposite direction is a lower side, the lower side of the junction box body 1 is fixed on the motor shell, the grounding terminal 3, the zero line terminal 8 and the fire wire terminal 7 are all arranged in the middle position of the side wall of the junction box body 1 in a penetrating way and are horizontally arranged, the circuit board 2 is positioned at the opening of the junction box body 1, a space is reserved between the circuit board 2 and the inner bottom surface of the junction box body 1 and used for lengthening the distance between the circuit board 2 and the junction box body 1, the bottom wall of the grounding junction box body 1 is inserted with a binding post 4 made of conductive materials, the binding post 4 adopts the existing binding screw, the circuit board 2 and the binding post 4 are respectively positioned at the upper side and the lower side of the grounding terminal 3, and then, as shown in the figure 3, one end of the binding post 4 extends out of the junction box body 1 to be electrically connected with a motor shell, the other end extends into the junction box body 1, the length of the binding post 4 extending into the junction box body 1 is smaller than the distance between the grounding terminal 3 and the inner bottom surface of the junction box body 1, as shown in the figures 5 and 7, the grounding terminal 3 comprises a lead part 3c, a strip-shaped body 3b and a strip-shaped connecting end 3a, one end of the body 3b penetrates through the side wall of the junction box body 1 and extends out to be used for connecting a power plug, the power plug is the existing plug, the other end of the body 3b is bent upwards from the ground wire to form a straight strip-shaped connecting end 3a, the bending end of the connecting end 3a is inserted into the circuit board 2 and is electrically connected with the circuit board 2, the side edge of the body 3b is provided with a protruding pin part 3c which is bent downwards, the pin part 3c is abutted against the inner side surface of the junction box body 1, the binding post 4 is close to the side wall of the junction box body 1, the pin part 3c is electrically connected with the binding post 4, and a positioning part 6 which can position the pin part 3c is arranged between the pin part 3c and the junction box body 1.
As shown in fig. 5 and 6, the positioning portion 6 is provided on one side of the body 3b along the direction of the inner wall of the side of the body 3b provided with the body 3b on the junction box body 1, the lead portion 3c includes a first lead portion 3c1, a second lead portion 3c2 and a third lead portion 3c3, the ground terminal 3 is protruded with a long-strip-shaped third lead portion 3c3 toward the side provided with the positioning portion 6, the upper and lower sides of the third lead portion 3c3 are respectively coplanar with the upper and lower sides of the ground terminal 3, the protruded end of the third lead portion 3c3 is bent downward to form a long-strip-shaped first lead portion 3c1, the first lead portion 3c1 and the third lead portion 3c3 are mutually perpendicular, the lower end of the first lead portion 3c1 is bent toward the side of the positioning portion 6 to form a second lead portion 3c2, the side edges of the first lead portion 3c1, the second lead portion 3c2 and the third lead portion 3c3 are all abutted against the inner side of the junction box body 1 where the ground terminal 3 is inserted, the sum of the lengths of the first lead part 3c1, the second lead part 3c2 and the third lead part 3c3 is larger than the length of the connecting end 3a, the length of the lead part 3c is larger than the length of the connecting end 3a, the grounding terminal 3 generates a magnetic field when current passes through, the magnetic flux of the magnetic field can influence the circuit board 2, the current on the motor shell is larger than the current on the circuit board 2, so that the magnetic flux of the current on the lead part 3c has larger interference on the circuit board 2.
In this embodiment, as shown in fig. 3 and 4, the positioning portion 6 protrudes from the inner bottom surface of the junction box body 1 and is cylindrical, the positioning portion 6 is provided with a slot 6a penetrating through both inner and outer side walls of the positioning portion 6 along the radial direction of the positioning portion 6, one end of the slot 6a penetrates through the protruding end surface of the positioning portion 6 along the length direction of the positioning portion 6, one end of the second lead portion 3c2 of the lead portion 3c is provided with a connecting portion 3d, the connecting portion 3d comprises a ring-shaped conductive portion 3d1 and a strip-shaped middle portion 3d2, two ends of the middle portion 3d2 are respectively connected with the positioning portion 6 and the second lead portion 3c2, the middle portion 3d2 is perpendicular to the second lead portion 3c2, the middle portion 3d2 is inserted into the slot 6a, the conductive portion 3d1 is located in the positioning portion 6, the inner diameter of the positioning portion 6 is gradually reduced along the axial direction of the positioning portion 6 from the protruding end of the positioning portion 6 toward the inner bottom surface, the minimum internal diameter of the positioning part 6 is slightly smaller than the external diameter of the conductive part 3d1, so long as the abutting of the conductive part 3d1 can be realized, an abutting surface 6b which protrudes along the radial direction of the positioning part 6 and is annular is arranged on the inner side surface of the positioning part 6, the conductive part 3d1 is positioned at one side of the abutting surface 6b in the axial direction of the positioning part 6, the middle part 3d2 can slide along the axial direction of the positioning part 6 in the slot 6a, when the middle part 3d2 slides towards the direction of the inner bottom surface of the junction box body 1, the inner side surface of the positioning part 6 and the outer wall of the conductive part 3d1 gradually abut against the side surface of the conductive part 3d1 and abut against the abutting surface 6b, the positioning of the positioning part 6 and the conductive part 3d1 is realized, then the binding post 4 penetrates into the positioning part 6 and the conductive part 3d1 to be electrically connected, and conversely, the middle part 3d2 can slide reversely to realize the detachment of the positioning part 6 and the conductive part 3d 1. The inner bottom surface of the junction box body 1 is provided with a convex column 5, the convex column 5 and a positioning part 6 are parallel to each other and are all positioned below the circuit board 2 to be abutted against the circuit board 2, the positioning part 6 only supports the circuit board 2, and the convex column 5 is fixedly connected with the circuit board 2. In practical application, the positioning structure 6 can adopt the structure of guide rod and guide block, and the one end of guide rod is fixed on the interior bottom surface of terminal box body 1, and the guide block slides and sets up on the guide rod, and guide block and middle part 3d2 fixed connection, the one end and the guide block electric connection of terminal 4 are provided with the elastic piece that can relative guide rod wobbling on the guide rod, and the elastic piece is located the slip path of guide block, and the elastic piece just can continue the slip under the exogenic action of having to be jacked up when the guide block slides.
As shown in fig. 1 and 3, in this embodiment, the junction box body 1 is made of plastic material, and the opening of the junction box body 1 is further covered with a box cover 9, where the circuit board 2 is close to the box cover 9.
In actual production, the body 3b, the connection end 3a, the intermediate portion 3d2, the conductive portion 3d1, the first lead portion 3c1, the second lead portion 3c2, and the third lead portion 3c3 are integrally formed of a copper material to form the ground terminal 3.
Embodiment two:
The principle and structure of this embodiment are the same as those of the first embodiment, except that, as shown in fig. 8, the slot opening of the slot 6a is gradually reduced from the protruding end of the positioning portion 6 toward the inner bottom surface of the junction box body 1, the maximum width of the middle portion 3d2 is smaller than the minimum slot width of the slot 6a, the middle portion 3d2 slides in the slot 6a toward the inner bottom surface of the junction box body 1 and abuts against the slot wall of the slot 6a, the guiding portion 6 is in a straight cylinder shape, the inner diameter is unchanged, and the positioning of the middle portion 3d2 and thus the positioning of the lead portion 3d is realized by abutting the slot 6a and the middle portion 3d 2.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms terminal block, ground terminal, etc. are used more herein, the possibility of using other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitations that are within the spirit of the present invention.

Claims (9)

1. The wiring structure of the motor comprises a wiring box body (1) made of insulating materials, a circuit board (2) arranged in the wiring box body (1) and a grounding terminal (3) made of conductive materials, and is characterized in that a wiring post (4) is inserted into the bottom of the wiring box body (1), the circuit board (2) is positioned at the top of the wiring box body (1), the grounding terminal (3) comprises a body (3 b) which is in a strip shape, one end of the grounding terminal penetrates through the side wall of the wiring box body (1) and extends out of the wiring box body (1), a connecting end (3 a) which is bent upwards from the other end of the body (3 b) and a pin part (3 c) which protrudes from the side edge of the body (3 b) and is bent downwards, the connecting end (3 a) is inserted into the wiring board (2) and is electrically connected with the wiring board (2), and the wiring post (4) is electrically connected with the pin part (3 c), and the wiring box body (1) is provided with a positioning part (6) capable of positioning the pin part (3 c); the utility model discloses a terminal, including terminal box body (1), terminal box body (1) and connecting portion, locating part (6) are protruding and are the tube-shape from the interior bottom surface of terminal box body (1), slot (6 a) that runs through the inside and outside both sides wall of locating part (6) are gone up to locating part (6), the protruding end terminal surface of locating part (6) is run through along locating part (6) axial to one end of slot (6 a), have protruding connecting portion (3 d) on pin portion (3 c), slot (6 a) are passed and locating part (6) are inserted to one end of connecting portion (3 d), connecting portion (3 d) can follow locating part (6) axial slip, connecting portion (3 d) can slide and make connecting portion (3 d) and locating part (6) support tight location, the one end of terminal (4) stretches into in locating part (6) and pegging graft with connecting portion (3 d).
2. The wiring structure of the motor according to claim 1, wherein the connecting portion (3 d) includes a conductive portion (3 d 1) having a ring shape and located in the positioning portion (6), the inner diameter of the positioning portion (6) is gradually reduced from the protruding end of the positioning portion (6) toward the inner bottom surface of the terminal box body (1) in the axial direction, and the minimum inner diameter of the positioning portion (6) is smaller than the outer diameter of the conductive portion (3 d 1).
3. The connection structure of the motor according to claim 2, wherein the connecting portion (3 d) further includes a rod-shaped middle portion (3 d 2), the middle portion (3 d 2) is inserted into the slot (6 a) and can slide axially along the positioning portion (6) in the slot (6 a), the notch of the slot (6 a) is gradually reduced from the protruding end of the positioning portion (6) toward the inner bottom surface of the terminal box body (1) along the axial direction of the positioning portion, and the maximum width of the middle portion (3 d 2) is smaller than the minimum slot width of the slot (6 a).
4. A wiring structure of an electric motor according to claim 2 or 3, characterized in that the positioning portion (6) has an abutment surface (6 b) protruding in a radial direction and having a ring shape on an inner side surface thereof, and the conductive portion (3 d 1) is located on one side of the abutment surface (6 b) and abuts against the abutment surface (6 b).
5. A wiring structure of an electric motor according to any one of claims 1 to 3, characterized in that the positioning portion (6) is located below the wiring board (2) and the positioning portion (6) abuts against the wiring board (2).
6. A wiring structure of an electric motor according to any one of claims 1 to 3, characterized in that the pin portion (3 c) is abutted against an inner side face of the terminal block case (1).
7. The connection structure of a motor according to claim 6, wherein the connection end (3 a) is in a straight strip shape, the body (3 b) is arranged in the middle of the side wall of the connection box body (1) in a penetrating manner, and the positioning part (6) is arranged on one side of the body (3 b) along the direction of the inner wall of the side, provided with the body (3 b), of the connection box body (1).
8. The connection structure of the motor according to claim 7, wherein the lead portion (3 c) includes a first lead portion (3 c 1), a second lead portion (3 c 2) and a third lead portion (3 c 3) each having a long strip shape, the side edge of the body (3 b) protrudes to form the third lead portion (3 c 3), the protruding end of the third lead portion (3 c 3) is bent downward to form the first lead portion (3 c 1), and the lower end of the first lead portion (3 c 1) is bent toward the side where the positioning portion (6) is located to form the second lead portion (3 c 2).
9. The wiring structure of the motor according to claim 8, wherein the first leg portion (3 c 1) is perpendicular to the second leg portion (3 c 2), and the first leg portion (3 c 1) is perpendicular to the third leg portion (3 c 3).
CN202211219193.0A 2022-10-08 2022-10-08 Wiring structure of motor Active CN115566847B (en)

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CN115566847A CN115566847A (en) 2023-01-03
CN115566847B true CN115566847B (en) 2024-06-28

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Citations (2)

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